cocos2dx 3.3 quick lua 实现返回键退出程序

<span style="font-size:18px;"> local layer = display.newLayer()self:addChild(layer,-10)layer:setKeypadEnabled(true)layer:addNodeEventListener(cc.KEYPAD_EVENT, function (event)if event.key == "back" then –返回键print("back") –弹出一个对话框，，点击yes退出程序device.showAlert("Confirm Exit", "Are you sure exit game ?", {"YES", "NO"}, function (event)if event.buttonIndex == 1 thencc.Director:getInstance():endToLua()elsedevice.cancelAlert() –取消对话框endend)elseif event.key == "menu" then –菜单键print("menu")endend) </span>

要温暖还是怕麻烦。